<template>
  <el-container style="min-height: 100vh">
    <el-aside
      :width="sideWidth + 'px'"
      style="box-shadow: 2px 0 6px rgb(0 21 41)"
    >
      <el-menu
        :default-openeds="['1', '3']"
        style="min-height: 100%; overflow-x: hidden"
        background-color="rgb(48, 65, 86)"
        text-color="#fff"
        active-text-color="#ffd04b"
        :collapse-transition="false"
        :collapse="isCollapse"
      >
        <div style="height: 60px; line-height: 60px; text-align: center">
          <img
            src="@/assets/logo.png"
            alt=""
            style="width: 20px; position: relative; top: 5px; right: 5px"
          />
          <b style="color: white" v-show="logoTextShow">后台管理系统</b>
        </div>
        <el-submenu index="1">
          <template slot="title">
            <i class="el-icon-message"></i>
            <span slot="title">后台主页</span>
          </template>
          <!-- <el-menu-item index="1-0" ><router-link class="routerto" to="/">后台管理主页</router-link></el-menu-item> -->
          <el-menu-item index="1-1"
            ><router-link class="routerto" to="/goodsManage"
              >商品后台管理</router-link
            ></el-menu-item
          >
          <el-menu-item index="1-2"
            ><router-link class="routerto" to="/user"
              >用户后台管理</router-link
            ></el-menu-item
          >
          <el-menu-item index="1-2"
            ><router-link class="routerto" to="/order"
              >订单后台管理</router-link
            ></el-menu-item
          >
          <el-menu-item @click="logout" id="logOut">退出登录</el-menu-item>
        </el-submenu>
      </el-menu>
    </el-aside>

    <el-container>
      <el-header
        style="
          font-size: 12px;
          border-bottom: 1px solid #ccc;
          line-height: 60px;
          display: flex;
        "
      >
        <div style="flex: 1; font-size: 20px">
          <span
            :class="collapseBtnClass"
            style="cursor: pointer"
            @click="collapse"
          ></span>
        </div>
      </el-header>

      <el-main>
        <div style="margin-bottom: 30px">
          <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
          </el-breadcrumb>
        </div>

        <div style="margin: 10px 0">
          <el-input
            style="width: 200px"
            placeholder="请输入商品名称"
            suffix-icon="el-icon-search"
            v-model="goodsName"
          ></el-input>
          <el-input
            style="width: 200px"
            placeholder="商品大致描述"
            suffix-icon="el-icon-position"
            class="ml-5"
            v-model="goodsDisc"
          ></el-input>
          <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
          <el-button type="warning" @click="reset">重置</el-button>
        </div>

        <div style="margin: 10px 0">
          <el-button type="primary" @click="handleAdd"
            >新增 <i class="el-icon-circle-plus-outline"></i
          ></el-button>
          <el-popconfirm
            class="ml-5"
            confirm-button-text="确定"
            cancel-button-text="我再想想"
            icon="el-icon-info"
            icon-color="red"
            title="您确定批量删除这些数据吗？"
            @confirm="delBatch"
          >
            <el-button type="danger" slot="reference"
              >批量删除 <i class="el-icon-remove-outline"></i
            ></el-button>
          </el-popconfirm>

          <!--          导入的设置-->
          <el-upload
            action="http://localhost:8090/manage/importGoods"
            :show-file-list="false"
            accept="xlsx"
            :on-success="handleExcelImportSuccess"
            style="display: inline-block"
          >
            <el-button type="primary" class="ml-5"
              >导入 <i class="el-icon-bottom"></i
            ></el-button>
          </el-upload>
          <el-button type="primary" @click="exp"
            >导出 <i class="el-icon-top"></i
          ></el-button>
        </div>

        <el-table
          :data="tableData"
          border
          stripe
          :header-cell-class-name="headerBg"
          @selection-change="handleSelectionChange"
        >
          <el-table-column type="selection" width="55"></el-table-column>
          <el-table-column
            prop="goodsId"
            label="商品编号"
            width="50"
          ></el-table-column>
          <el-table-column
            prop="goodsName"
            label="商品名称"
            width="100"
          ></el-table-column>
          <el-table-column
            prop="goodsPrice"
            label="商品价格"
            width="80"
          ></el-table-column>
          <el-table-column
            prop="goodsStock"
            label="商品库存"
            width="80"
          ></el-table-column>
          <el-table-column
            prop="goodsDisc"
            label="商品描述"
            width="150"
          ></el-table-column>

          <el-table-column
            prop="createTime"
            label="商品创建时间"
          ></el-table-column>
          <el-table-column
            prop="updateTime"
            label="商品最近修改时间"
          ></el-table-column>
          <el-table-column
            prop="isSeckill"
            label="商品是否参与秒杀活动"
          ></el-table-column>
          <el-table-column label="操作" width="200" align="center">
            <template slot-scope="scope">
              <el-button type="success" @click="handleEdit(scope.row)"
                >编辑 <i class="el-icon-edit"></i
              ></el-button>
              <el-popconfirm
                class="ml-5"
                confirm-button-text="给我删！"
                cancel-button-text="再让我想想呗"
                icon="el-icon-info"
                icon-color="red"
                title="您确定删除吗？"
                @confirm="del(scope.row.goodsId)"
              >
                <el-button type="danger" slot="reference"
                  >删除 <i class="el-icon-remove-outline"></i
                ></el-button>
              </el-popconfirm>
              <el-button type="success" @click="handleSeckill(scope.row)"
                >秒杀！</el-button
              >
            </template>
          </el-table-column>
        </el-table>
        <div style="padding: 10px 0">
          <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="pageNum"
            :page-sizes="[3, 5, 10, 20]"
            :page-size="pageSize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total"
          >
          </el-pagination>
        </div>

        <el-dialog
          title="商品信息"
          :visible.sync="dialogFormVisible"
          width="30%"
        >
          <el-form label-width="80px" size="small">
            <el-form-item label="商品名">
              <el-input v-model="form.goodsName" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="商品价格">
              <el-input v-model="form.goodsPrice" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="商品库存">
              <el-input v-model="form.goodsStock" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="商品描述">
              <el-input v-model="form.goodsDisc" autocomplete="off"></el-input>
            </el-form-item>
          </el-form>
          <div slot="footer" class="dialog-footer">
            <el-button @click="dialogFormVisible = false">取 消</el-button>
            <el-button type="primary" @click="save">确 定</el-button>
          </div>
        </el-dialog>

        <el-dialog
          title="秒杀信息"
          :visible.sync="dialogFormVisible2"
          width="30%"
        >
          <el-form label-width="80px" size="small">
            <el-form-item label="商品编号">
              <el-input
                v-model="seckillForm.goodsId"
                autocomplete="off"
                readonly
              ></el-input>
            </el-form-item>
            <el-form-item label="商品名称">
              <el-input
                v-model="seckillForm.goodsName"
                autocomplete="off"
                readonly
              ></el-input>
            </el-form-item>
            <el-form-item label="活动开始时间">
              <el-input
                v-model="seckillForm2.startTime"
                autocomplete="off"
              ></el-input>
            </el-form-item>
            <el-form-item label="活动结束时间">
              <el-input
                v-model="seckillForm2.endTime"
                autocomplete="off"
              ></el-input>
            </el-form-item>
          </el-form>
          <div slot="footer" class="dialog-footer">
            <el-button @click="dialogFormVisible2 = false">取 消</el-button>
            <el-button type="primary" @click="doSeckill">确 定</el-button>
            <el-button type="primary" @click="closeSeckill"
              >活动取消！</el-button
            >
          </div>
        </el-dialog>
      </el-main>
    </el-container>
  </el-container>

  
</template>

<script>
// import request from "@/utils/request";
import router from "../../router";
export default {
  name: "Home",
  data() {
    return {
      tableData: [],
      total: 0,
      pageNum: 1,
      pageSize: 3,
      goodsName: "",
      goodsPrice: "",
      goodsDisc: "",
      goodsStock: "",
      changeform:{},
      form: {},
      seckillForm: {},
      seckillForm2: {},
      dialogFormVisible: false,
      dialogFormVisible2: false,
      multipleSelection: [],
      msg: "hello thh",
      collapseBtnClass: "el-icon-s-fold",
      isCollapse: false,
      sideWidth: 200,
      logoTextShow: true,
      headerBg: "headerBg",
    };
  },
  created() {
    // 请求分页查询数据
    this.load();
  },
  mounted() {
    this.cheackAdmin();
  },
  methods: {
      //倒计时三秒跳转到后台首页
      countDown() {
      const TIME_COUNT = 3;
      if (!this.timer) {
        this.count = TIME_COUNT;
        this.timer = setInterval(() => {
          if (this.count > 1 && this.count <= TIME_COUNT) {
            //限制倒计时区间
            this.count--;
          } else {
            clearInterval(this.timer); //删除定时器
            this.timer = null;
            //跳转的页面写在此处
            router.push("/adminpage/login");
          }
        }, 1000);
      }
    },
    cheackAdmin() {
      this.$axios
        .get("/admin/index", {
          headers: {
            "x-access-token": localStorage.getItem("x-access-token"),
          },
        })
        .then((res) => {
          console.log(res);
          if (
            res.data.code == 401 &&
            "用户不存在！" == res.data.extend.result
          ) {
            this.$message.error("请先登录再访问后台");
            router.push("/adminpage/login");
          } else if (
            res.data.code == 401 &&
            "登录失败，该用户没有权限" == res.data.extend.result
          ) {
            this.$message.error("登录失败，该用户不是管理员");
            router.push("/adminpage/login");
          } else if (
            res.data.code == 401 &&
            "该用户已被锁定,暂时无法登录！" == res.data.extend.result
          ) {
            this.$message.error("登录失败，该用户不是管理员");
            router.push("/adminpage/login");
          } else if (
            res.data.code == 200 &&
            "登陆成功" == res.data.extend.result
          ) {
            this.$message({
              message: "管理员你好，欢迎来到后台管理页面",
              type: "success",
            });
          }
        });
    },

    //时间转换(js将 “2021-07-06T06:23:57.000+00:00” 转换为年月日时分秒)
    transformTimestamp(timestamp) {
      let a = new Date(timestamp).getTime();
      const date = new Date(a);
      const Y = date.getFullYear() + "-";
      const M =
        (date.getMonth() + 1 < 10
          ? "0" + (date.getMonth() + 1)
          : date.getMonth() + 1) + "-";
      const D =
        (date.getDate() < 10 ? "0" + date.getDate() : date.getDate()) + "  ";
      const h =
        (date.getHours() < 10 ? "0" + date.getHours() : date.getHours()) + ":";
      const m =
        date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes();
      // const s = date.getSeconds(); // 秒
      const dateString = Y + M + D + h + m;
      // console.log('dateString', dateString); // > dateString 2021-07-06 14:23
      return dateString;
    },
    collapse() {
      // 点击收缩按钮触发
      this.isCollapse = !this.isCollapse;
      if (this.isCollapse) {
        // 收缩
        this.sideWidth = 64;
        this.collapseBtnClass = "el-icon-s-unfold";
        this.logoTextShow = false;
      } else {
        // 展开
        this.sideWidth = 200;
        this.collapseBtnClass = "el-icon-s-fold";
        this.logoTextShow = true;
      }
    },
    load() {
      this.request
        .get("/manage/goodsPage", {
          params: {
            pageNum: this.pageNum,
            pageSize: this.pageSize,
            goodsName: this.goodsName,
            goodsDisc: this.goodsDisc,
          },
        })
        .then((res) => {
          console.log(res.records[0].createTime);

          for (var i = 0; i < res.records.length; i++) {
            if (res.records[i].isSeckill == 1) {
              res.records[i].isSeckill = "参加";
            }
            if (res.records[i].isSeckill == 0) {
              res.records[i].isSeckill = "不参加";
            }
            res.records[i].createTime = this.transformTimestamp(
              res.records[i].createTime
            );
            res.records[i].updateTime = this.transformTimestamp(
              res.records[i].updateTime
            );
          }
          this.tableData = res.records;
          this.total = res.total;
        });
    },

    //对齐数据格式
    change(){
     
     if( this.form.isSeckill=="不参加"){
      this.form.isSeckill=0;
     }
     if( this.form.isSeckill=="参加"){
      this.form.isSeckill=1;
     }
     this.form.createTime = new Date(this.form.createTime);
     this.form.updateTime = new Date(this.form.updateTime);
     console.log(this.form)
    },
    save() {
      this.change();
      this.request.post("/manage/saveGoods/", this.form).then((res) => {
        if (res == 1) {
          this.$message.success("添加成功");
          this.dialogFormVisible = false;
          this.load();
        } else if (res == 2) {
          this.$message.success("编辑成功");
          this.dialogFormVisible = false;
          this.load();
        } else {
          this.$message.error(
            "操作失败啦~商品名不能重复哦~还有记得填写库存数和商品价格"
          );
        }
      });
    },
    handleAdd() {
      this.dialogFormVisible = true;
      this.form = {};
    },
    handleEdit(row) {
      this.form = row;
      this.dialogFormVisible = true;
    },
    del(goodsId) {
      this.request.delete("/manage/deleteGoods/" + goodsId).then((res) => {
        if (res) {
          this.$message.success("删除成功");
          this.load();
        } else {
          this.$message.error("删除失败");
        }
      });
    },
    handleSelectionChange(val) {
      console.log(val);
      this.multipleSelection = val;
    },
    delBatch() {
      let goodsIds = this.multipleSelection.map((v) => v.goodsId); // [{}, {}, {}] => [1,2,3]
      this.request.post("/manage/delGoods/batch", goodsIds).then((res) => {
        if (res) {
          this.$message.success("批量删除成功");
          this.load();
        } else {
          this.$message.error("批量删除失败");
        }
      });
    },
    reset() {
      this.goodsName = "";
      this.goodsDisc = "";
      this.load();
    },
    handleSizeChange(pageSize) {
      console.log(pageSize);
      this.pageSize = pageSize;
      this.load();
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum);
      this.pageNum = pageNum;
      this.load();
    },
    //退出登录
    logout() {
      var storage = window.localStorage;
      storage.clear();
      this.$message({
        message: "管理员已退出，三秒后回到后台首页",
        type: "success",
      });
      this.countDown();
    },
    //导出
    exp() {
      window.open("http://localhost:8090/manage/exportGoods");
    },
    handleExcelImportSuccess() {
      this.$message.success("文件导入成功啦!");
      this.load();
    },
    //回显当前行对应的秒杀开启和结束时间
    getSeckillTime(row) {
      this.request
        .get("/manage/getSeckillTime", {
          params: {
            goodsId: row.goodsId,
          },
        })
        .then((res) => {
          if (res != null) {
            console.log(res);
            var resData = res;
            resData.startTime =
              this.transformTimestamp(resData.startTime) + ":00";
            resData.endTime = this.transformTimestamp(resData.endTime) + ":00";
            resData.createTime =
              this.transformTimestamp(resData.createTime) + ":00";
            resData.updateTime =
              this.transformTimestamp(resData.updateTime) + ":00";
            console.log(resData);
            this.seckillForm2 = resData;
          } else {
            this.seckillForm2 = {
              startTime: null,
              endTime: null,
            };
          }
        });
    },
    //打开秒杀的设置栏
    handleSeckill(row) {
      this.seckillForm = row;
      this.getSeckillTime(row);
      this.dialogFormVisible2 = true;
    },
    //秒杀处理业务
    doSeckill() {
      this.request
        .get("/manage/secKillOpen", {
          params: {
            goodsId: this.seckillForm.goodsId,
            startTime: this.seckillForm2.startTime,
            endTime: this.seckillForm2.endTime,
          },
        })
        .then((res) => {
          if (res.msg != "处理成功") {
            this.$message.error("活动开启失败,已存在秒杀活动啦~");
            this.dialogFormVisible2 = false;
            this.load();
          } else {
            this.$message.success("活动开启成功");
            this.dialogFormVisible2 = false;
            this.load();
          }
        });
    },
    
    //关闭秒杀活动事件
    closeSeckill() {
      this.request
        .get("/manage/secKillClose", {
          params: {
            goodsId: this.seckillForm.goodsId,
          },
        })
        .then((res) => {
          if (res) {
            this.$message.success("活动关闭成功");
            this.dialogFormVisible2 = false;
            this.load();
          } else {
            this.$message.error("活动关闭失败");
            this.dialogFormVisible2 = false;
            this.load();
          }
        });
    },
  },
 
  };
</script>

<style>
.headerBg {
  background: #eee !important;
}
.routerto {
  color: #fff;
  text-decoration: none;
}
</style>
